Finding the Fourth Proportional to 7,122,564.84, 9,829,638.27 and 4,025,374.41
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Solution
The fourth proportional to 7,122,564.84, 9,829,638.27 and 4,025,374.41 is: 5,555,298.58
Step by Step Solution
- Step 1: Write the proportion equation
7,122,564.84 : 9,829,638.27 = 4,025,374.41 : x - Step 2: Convert to fraction form
7,122,564.84/9,829,638.27 = 4,025,374.41/x - Step 3: Cross multiply
7,122,564.84x = 9,829,638.27 × 4,025,374.41 - Step 4: Simplify right side
7,122,564.84x = 39,567,974,351,614.67 - Step 5: Solve for x
x = 39,567,974,351,614.67/7,122,564.84 - Step 6: Final answer
x = 5,555,298.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.